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Name: An experiment was performed to see if the color of paper an exam is pr
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Description: An experiment was performed to see if the color of paper an exam is printed on could affect scores on the exam. Doyle took a standardized exam on blue paper, usually it is taken on white, and scored 85. The national average on this exam is 70 with st

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An experiment was performed to see if the color of paper an exam is printed on could affect scores on the exam. Doyle took a standardized exam on blue paper, usually it is taken on white, and scored 85. The national average on this exam is 70 with stardard deviation of 5.

Use the z-scote method to determine if we can reject or fail to reject the null hypothesis based on the Doyle's data and national average.show work & justify your answer.

Expert Solution

Step 1

Introduction:

Denote μ as the true score on an exam with blue exam paper.

Based on the given problem, the null and alternative hypotheses for the test are:

H₀: μ = 70; vs, H₁: μ ≠ 70.

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